Oigye uloiyong (1987) 1987, Action, Family, Sci-Fi, South Korea Oigye uloiyong (1987) Duration: 1H18M Description: Aliens attack in order to prevent a scientist from completing his work on the Thunder Dragon. Earth is defended by Princess Alang and the aliens of Castle Elma.. Trailer ↗ South Korea 1987 Action Family Sci-Fi